Which of the following mechanisms is incorporated into the CareFusion V.I.P. Bird In-fant-Pediatric Ventilator to prevent the risk of auto-PEEP during ventilation with the time-cycled modes?
a. Jet Venturi in the exhalation manifold
b. Accumulator before the pneumatic regu-lator
c. Differential pressure transducer by the control diaphragm
d. Pulsation dampener between the regulator and the flow control
ANS: A
Because of the possibility of inadvertent positive end-expiratory pressure developing from the continuous flow present in the expiratory limb of the patient circuit during time-cycled, pres-sure-limited ventilation, a jet Venturi is incorporated into the exhalation manifold.
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